Home / 161,799.21-242,698.62-43,470.55

Finding the Fourth Proportional to 161,799.21, 242,698.62 and 43,470.55

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Solution

The fourth proportional to 161,799.21, 242,698.62 and 43,470.55 is: 65,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,799.21 : 242,698.62 = 43,470.55 : x
  2. Step 2: Convert to fraction form
    161,799.21/242,698.62 = 43,470.55/x
  3. Step 3: Cross multiply
    161,799.21x = 242,698.62 × 43,470.55
  4. Step 4: Simplify right side
    161,799.21x = 10,550,243,784.70
  5. Step 5: Solve for x
    x = 10,550,243,784.70/161,799.21
  6. Step 6: Final answer
    x = 65,205.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.